# Playwright v1.52.0 — Release & Upgrade Intelligence
- **Product:** Playwright (https://playwright.dev)
- **Version:** v1.52.0
- **Released:** Apr 17, 2025
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/playwright/updates/v1.52.0/

## Executive Summary (TL;DR)
Playwright v1.52.0. Source highlight: New method expect(locator).toContainClass() to ergonomically assert individual class names on the element.

## Breaking Changes & Deprecations
- Breaking Changes - Changes to glob URL patterns in methods like [page.route()](https://playwright.dev/docs/api/class-page#page-route): - `?` wildcard is not supported any more, it will always match question mark `?` character.

## Improvements
- macOS 13 is now deprecated and will no longer receive WebKit updates. Please upgrade to a more recent macOS version to continue benefiting from the latest WebKit improvements.